morgan3dp.com
Stepstuck revisited... DRV8825 - Morgan 3D Printers
In April 2012 Nophead from HydraRaptor fame, brought us the micro-current hack for the pololu 4988 stepper motor driver carrier. http://hydraraptor.blogspot.com/2012/04/stepstuck.html Now, it is my turn… The amazing DRV8825 driver carrier has a similar flaw, strange jumping of steps in 32th micro-stepping mode. After doing a bit of research, it seems that we need to put the chip in FAST decay mode, …